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Finding the Third Proportional to 70,472.63 and 107,941.50

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Solution

The third proportional to 70,472.63 and 107,941.50 is: 165,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,472.63 : 107,941.50 = 107,941.50 : x
  2. Step 2: Convert to fraction form
    70,472.63/107,941.50 = 107,941.50/x
  3. Step 3: Cross multiply
    70,472.63x = 107,941.50 × 107,941.50
  4. Step 4: Simplify right side
    70,472.63x = 11,651,367,422.25
  5. Step 5: Solve for x
    x = 11,651,367,422.25/70,472.63
  6. Step 6: Final answer
    x = 165,331.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.